diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 31dfbbd804..ebd4353ed6 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -521,4 +521,5 @@ ayit.edu.cn
 kingshurst.ac.uk
 hunnu.edu.cn
 cque.edu.cn
-student.uantwerpen.be
\ No newline at end of file
+student.uantwerpen.be
+sust.edu.cn
\ No newline at end of file